diff --git a/source/atemplates/sidebar.html b/source/atemplates/sidebar.html
index dc9b6295..b31accb5 100644
--- a/source/atemplates/sidebar.html
+++ b/source/atemplates/sidebar.html
@@ -15,7 +15,7 @@ <h3>{{ _('Useful Pages') }}</h3>
     <a href="https://groups.google.com/forum/#!forum/cyclus-users" target="_blank">Cyclus Users</a> mailing list.</li>
     <li><a href="mailto:cyclus-dev+subscribe@googlegroups.com?subject=Subscribe&body=Send this message to subscribe to the list">Join</a> the
     <a href="https://groups.google.com/forum/#!forum/cyclus-dev" target="_blank">Cyclus Developers</a> mailing list.</li>
-    <li><a href="http://dev-call.fuelcycle.org" target="_blank"><span style="font-variant:small-caps">Cyclus</span> Developers Hangout Link</a></li>
+    <li><a href="https://join.slack.com/t/cyclus-nuclear/shared_invite/zt-47255o28h-TUWOCu2LAwh5iZ6ztMXCHg" target="_blank"><span style="font-variant:small-caps">Cyclus</span> Slack Channel </a></li>
     </ul></li></ul>
   </div>
     <h3>Get Cyclus</h3>